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Both FedEx and UPS have imposed special fuel surcharges on top of normal delivery fees. "It's a monthly adjustment that we do based on a rounded average of the U.S. Gulf Coast spot price for a gallon of kerosene jet fuel," FedEx spokeswoman Darcie Goodwin said. "It's to help customers respond to the changes in the fuel price so that they can forecast and plan."
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Called 1987A, the supernova was the brightest recorded in 400 years and exploded in a nearby galaxy called the Large Magellanic Cloud. Astronomers believe that about a million years before the supernova, the star lost most of its outer layers through a slow-moving wind of particles.
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One key step will be to establish beyond doubt that the effect seen in mice happens in humans too. Dawe says this can be done by looking for cells containing a Y chromosome in post-mortem brain tissue from mothers of boys. "We've already started work on acquiring tissue to answer this question," he says.
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While companies, universities and research institutes around the world have made some progress on reproducing 3D images suitable for TV, developing the technologies to create the sensations of touch and smell could prove the most challenging, Takeuchi said in an interview with Reuters. Researchers are looking into ultrasound, electric stimulation and wind pressure as potential technologies for touch.